Trolley jack



FIG. 1 is a perspective view showing the design of a trolley jack with a handle wherein a lift bar is shown in broken lines;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view thereof.

The broken line showing of the handle in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a trolley jack. 